ICs for TV AN5177NK VIF/SIF Signal Processor IC for TV and VCR ■ Overview Unit : mm 0.5±0.1 The AN5177NK is a VIF/SIF signal processor IC for TV and VCR. 1.778 26.7±0.3 • PLL full-synchronization detection • An equalization amplifier for improved frequency characteristics built-in • Low operating voltage : VCC=5.0V (typ.) 0.9±0.25 ■ Features 8.6±0.3 4.7±0.25 1.0±0.25 3.3±0.25 + 0.1 0.35– 0.05 10.16±0.25 3 to 15˚ 30-Pin Shrunk DIL-Plastic Package (SDIP030-P-0400) ■ Block Diagram Video Out VCO VCC 5V + VCO–GND 15 14 13 12 11 EQ Amp. AFC 10 9 8 NI 7 6 5 4 APC 3 2 1 VCO Video Amp. Limitter Amp. Det. IF AGC RF AGC FM Det. VIF Amp. +B 16 17 + AFC Out 18 19 20 21 22 23 24 25 26 27 28 29 30 5V +B 5V RF AGC +B Out AFC Main VCC VCC SAW Main GND Sound Out 1 ICs for TV AN5177NK ■ Pin Descriptions Pin No. Pin name Pin No. Pin name 1 SIF input 16 AFC output 2 GND 17 IF AGC filter 3 VCO coil 18 IF AGC filter 4 VCO coil 19 RF AGC output 5 Power supply 20 AFC output power supply 6 NC 21 Power supply 7 NC 22 VIF input 8 APC filter 23 VIF input 9 VIF detection output 24 GND 10 NOISE INVERTER input 25 Audio output 11 Frequency characteristics Adj. 26 NC 12 Video output 27 NC 13 NC 28 SIF coil 14 AFC coil 29 SIF coil 15 AFC coil 30 RF AGC DELAY Adj. ■ Absolute Maximum Ratings Parameter Symbol Rating Unit V5, 21–2, 24 6.0 V20–2, 24 12.5 VCC Supply current ICC 100 mA I9 – 8 to + 1 mA I12 – 5 to + 0.2 mA I19 0 to + 2.0 mA Circuit current I25 – 2.5 to + 0.2 mA Power dissipation Note 2) PD 600 mW Operating ambient temperature Note 1) Topr – 20 to + 70 ˚C Storage temperature Note 1) Tstg – 55 to + 150 ˚C V19–2, 24 0 to 12.5 V Circuit voltage Note 1) Ta=25˚C except operating ambient temperature and storage temperature. Note 2) Allowable power dissipation of the package at Ta =70˚C. ■ Recommended Operating Range (Ta=25˚C) Parameter Symbol VCC1 Operating supply voltage range 2 V Supply voltage (V5, 21–2, 24) VCC2 (V20–2, 24) Range 4.5V to 5.5V VCC1 to 12.2V ICs for TV AN5177NK ■ Electrical Characteristics (Ta=25±2˚C) Parameter Symbol Condition Video detection output VO12 Video frequency characteristics (1) fC (1) Typical color signal (white color contained) m= 87.5%, υin=80dBµ Attenuation value at 8MHz min typ max Unit VIF AMP DET Section 1.9 2.2 2.5 VP–P – 6.0 – 2.5 +1.0 dB Vp 0.9 1.1 1.3 V APC pull-in range <h> fph 1.2 APC pull-in range <l> fpl VCO control sensitivity β Synchronous peak voltage PLL Section APC detection sensitivity µAPC MHz –1.2 MHz V8= 2.0 to 2.2V 2.5 4.0 5.5 kHz/mV f= f0±500kHz 0.2 0.3 0.4 mV/kHz AGC Section IF AGC filter charge current I17C – 20.0 –10.0 –5.0 µA IF AGC filter discharge current I17D 400 550 700 µA 0 1.5 RF AGC operating sensitivity υ RF AGC RF AGC pin current (1) I19 (1) RF AGC pin current (2) I19 (2) 3.0 dB 1.38 mA – 0.15 0 0.15 mA AFC Section AFC discrimination sensitivity (1) µ1AFC 25 35 45 mV/kHz AFC offset current (1) I16 (1) –17 –1 15 µA AFC offset current (2) I16 (2) VCC2 –V16max. V16min. –12 +7 +26 µA f= f0 –500kHz – 0.9 – 0.65 0 V f= f0 +500kHz 0 0.5 0.8 V 240 300 360 mVrms I5 + 20 + 21 41 59 77 mA AFC maximum output voltage AFC minimum output voltage RL= 68kΩ//82kΩ SIF Section Sound detection output DC Characteristics Pin5, Pin20 Circuit current Pin21 SIF input pin voltage VO25 f0= 4.5MHz, υin= 100dBµ ∆f= ±25kHz, fm= 400Hz RD= 6.8kΩ V1 4.9 5.0 5.1 V VCO coil pin voltage V3, 4 1.3 1.9 2.4 V APC filter pin voltage V8 1.6 2.1 2.6 V VIF detection output pin voltage V9 1.95 2.5 2.95 V V12 3.4 3.9 4.4 V AFC coil pin voltage V14, 15 2.1 2.5 2.9 V VIF input pin voltage V22, 23 2.65 2.95 3.25 V V25 1.4 1.9 2.4 V V28, 29 2.4 3.0 3.7 V (45) (48) dBµ (97) (102) (7) (9) (11) MHz (50) (55) Video output pin voltage Audio output pin voltage SIF coil pin voltage VIF AMP DET Section Input sensitivity υSV Maximum tolerant input υmax.v Video frequency characteristics (2) fC (2) SN ratio S/N Differential gain DG Differential phase VO12= – 3dB VO12= – 3dB (2) DP Black noise detection level DVBN VBN–VP Black noise clamp level DVBNC VBNG–VP dBµ dB (5) % (2) (5) deg (– 0.9) (– 0.7) (– 0.5) V (0.5) (0.8) (1.1) V Note) The characteristics value in parentheses is not a guaranteed value, but reference one on design. 3 ICs for TV AN5177NK ■ Electrical Characteristics (cont.) (Ta=25±2˚C) Parameter White noise clamp level Symbol ∆VWNC Condition VWNG –VP min typ max (2.5) Unit (1.9) (2.2) (43) (49) dB V Intermodulation IM Input resistance (Pin22) Ri22 (1.1) kΩ Input capacitance (Pin22) Ci22 (3.2) pF Output resistance (Pin9) Ro9 (30) Ω Output resistance (Pin12) Ro12 (10) Ω PLL Section VCO maximum variable range (1) ∆fVU VCO maximum variable range (2) ∆fVD V8 = 1.0V V8 = 3.4V VCO frequency SW ON drift ∆fVON 3 minute after SW ON VCO frequency temperature drift ∆fVT –20˚C to + 70˚C VCO reference oscillation level υVCO VCO 2nd harmonics level υVCO2 (1.5) (– 0.1) MHz (2.0) MHz (0) ( + 0.1) MHz (– 0.3) (100) (106) MHz (112) (70) dBµ dBµ AGC Section RF AGC Delay point temperature drift ∆υRFDT –20˚C to + 70˚C Noise canceller operation voltage (W) ∆VNC (W) VNC (W) –VP (2.9) (3.2) (3.5) V Noise canceller operation voltage (B) ∆VNC (B) VNC (B) –VP (– 0.9) (– 0.7) (– 0.5) V (0.6) (0.9) (1.2) V ( + 2) dB AFC Section AFC defeat SW operation voltage VAFC–SW AFC discrimination sensitivity (2) µ2AFC AFC offset current (3) I16 (3) υin =71dBµ (10) (18) (–11) (+8) (24) mV/kHz (+28) µA SIF Section Input limiting voltage υi (lim) VO25 = –3dB (46) dBµ AM rejection ratio (1) AMR (1) υin= 100dBµ (45) (60) dB AM rejection ratio (2) AMR (2) υin= 80dBµ (30) (35) dB (0) THD (0.3) % Ri1 f= 4.5MHz (1.0) kΩ Input capacitance (Pin1) Ci1 f= 4.5MHz (8.0) pF Detector input resistance (Pin28) Ri28 f= 4.5MHz (3.5) kΩ Detector input capacitance (Pin28) Ci28 f= 4.5MHz (25) pF Output resistance (Pin25) Ro25 f= 500kHz (500) Ω Total harmonics distortion Input resistance (Pin1) Note) The characteristics value in parentheses is not a guaranteed value, but reference one on design. 4